Defibrillator



FIG. 1 is a front-left upper perspective view of the defibrillator showing the new design;

FIG. 2 is a front-left lower perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a left view thereof; and,

FIG. 8 is a right view thereof.

The broken lines illustrate portions of the defibrillator that form no part of the claimed design. 

CLAIM The ornamental design for a defibrillator, as shown and described. 